Fix network params

Author: maximopalopoli

network_params.yaml

@@ -1,10 +1,11 @@
 participants:
   - el_type: geth
-    el_image: ethpandaops/geth:master
+    el_image: ethereum/client-go:v1.16.4
     el_extra_params: ["--miner.extradata=lighthouseFromLocal"]
     cl_type: lighthouse
-    cl_image: ethpandaops/lighthouse:unstable
+    cl_image: sigp/lighthouse:v8.0.0
     count: 3 
+    supernode: true
 
 
 ethereum_metrics_exporter_enabled: true
@@ -54,8 +55,13 @@ network_params:
   min_validator_withdrawability_delay: 1
   shard_committee_period: 1
   churn_limit_quotient: 16
-  fulu_fork_epoch: 10
-
+  fulu_fork_epoch: 1
+  bpo_1_epoch: 2
+  bpo_1_max_blobs: 15
+  bpo_1_target_blobs: 10
+  bpo_2_epoch: 3
+  bpo_2_max_blobs: 21
+  bpo_2_target_blobs: 14
 
   devnet_repo: ethpandaops